CN105785833A - Bus analysis apparatus and system for railway vehicles - Google Patents
Bus analysis apparatus and system for railway vehicles Download PDFInfo
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- CN105785833A CN105785833A CN201410789149.2A CN201410789149A CN105785833A CN 105785833 A CN105785833 A CN 105785833A CN 201410789149 A CN201410789149 A CN 201410789149A CN 105785833 A CN105785833 A CN 105785833A
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Abstract
The present invention provides a bus analysis apparatus and system for railway vehicles. The apparatus includes a plurality of interface units, bus units, a control unit and a transmission unit; the bus units are respectively connected with the interface units; the types of the bus units are different; the bus units receive bus information sent by a bus device and convert the bus information into data information which can be identified by the control unit; the control unit is connected with the bus units, analyzes received data information sent by the bus units, generate an analysis result and returns the analysis result to the transmission unit; and the transmission unit is connected with the interface units and the control unit, receives the analysis result, and sends the analysis result to an auxiliary recognition unit for displaying the analysis result. With the bus analysis apparatus for the railway vehicles adopted, detection can be performed on various types of bus devices, and therefore, the size of a plurality of existing bus analyzers can be decreased, and the bus analysis apparatus is convenient for workers to carry.
Description
Technical field
The present invention relates to technology of track traffic, particularly relate to a kind of bus analysis equipment for rail vehicle and system.
Background technology
The train network control system of rail vehicle is for controlling the operation of rail vehicle.In prior art, train network control system adopts multifunctional vehicle (MultifunctionVehicleBus, be called for short MVB) bus apparatus carry out in rail vehicle often joint compartment between data communication, and the data communication between wagon control room and compartment, simultaneously, some train network control system can adopt proposed standard 485 (RecommendedStandard485 is called for short RS485) bus apparatus to carry out the data communication of vehicle control device and the display device of rail vehicle, air-conditioning etc..Whether the network in these bus apparatus is stable, direct relation rail vehicle safety work, so needing the network of the bus apparatus on rail vehicle is analyzed before rail vehicle runs, when the network stabilization determining bus apparatus, rail vehicle just can be run.
But in prior art, can only adopt single Bus analyzer that the network of single bus apparatus is analyzed, such as, adopt MVB analyser that the network of MVB equipment is analyzed, adopt RS485 analyser that the network of RS485 bus apparatus is analyzed, so, when adopting MVB equipment and RS485 bus apparatus at train network control system simultaneously, it is accomplished by adopting MVB analyser and RS485 analyser, if train network control system adopts further types of bus apparatus, it is accomplished by more corresponding Bus analyzer network to the multiple bus apparatus in train network control system to be analyzed, but it is very inconvenient for staff to carry multiple Bus analyzer.
Summary of the invention
The present invention provides a kind of bus analysis equipment for rail vehicle and system, if during in order to solve the further types of bus apparatus of train network control system employing in prior art, needing more corresponding Bus analyzer that the network of the multiple bus apparatus in train network control system is analyzed, carrying multiple Bus analyzer to the very inconvenient problem of staff thus causing.
It is an aspect of the invention to provide a kind of bus analysis equipment for rail vehicle, including:
Multiple interface units；
The each bus unit being connected with each interface unit respectively, the type of each bus unit is different, described bus unit is for receiving, by described interface unit, the bus message that bus apparatus sends, described bus message is converted to can the data message of controlled unit identification, and send described data message to described control unit；
Described control unit, is connected with each described bus unit, and described data message, for receiving the described data message that described bus unit sends, is analyzed, generates described analysis result, and described analysis result is back to transmission unit by described control unit；
Described transmission unit, is connected with described interface unit and described control unit respectively, for receiving the described analysis result that described control unit returns, and sends described analysis result to assisting in identifying unit and displays.
Another aspect of the present invention there is provided a kind of bus analysis system for rail vehicle, including the above-mentioned bus analysis equipment for rail vehicle, and described bus apparatus.
The solution have the advantages that: by providing multiple interface unit, the each bus unit being connected with each interface unit respectively, the control unit being connected with each bus unit, respectively at the transmission unit that interface unit and control unit connect, wherein, the type of each bus unit is different；Bus unit for receiving, by interface unit, the bus message that bus apparatus sends, bus message is converted to can the data message of controlled unit identification, and send data message to control unit；Data message, for receiving the data message that bus unit sends, is analyzed by control unit, generates and analyzes result, and analysis result is back to transmission unit；The analysis result that transmission unit returns for reception control unit, and the transmission of analysiss result is displayed to assisting in identifying unit.Achieve when train network control system adopts polytype bus apparatus, can adopt the bus analysis equipment for rail vehicle provided by the invention that the network of multiple bus apparatus is analyzed, make to adopt the bus analysis equipment for rail vehicle just can polytype bus apparatus to be detected, reduce the volume of existing multiple Bus analyzer, it is simple to staff carries.
Accompanying drawing explanation
The structural representation of the bus analysis equipment for rail vehicle that Fig. 1 provides for the embodiment of the present invention one；
The circuit diagram of the control unit that Fig. 2 provides for the embodiment of the present invention one；
The structural representation of the bus analysis equipment for rail vehicle that Fig. 3 provides for the embodiment of the present invention two；
The circuit diagram of the interface unit being connected with RS485 bus unit that Fig. 4 provides for the embodiment of the present invention two；
The circuit diagram of the female interface unit being connected with CAN unit that Fig. 5 provides for the embodiment of the present invention two；
The circuit diagram of the male interface unit being connected with CAN unit that Fig. 6 provides for the embodiment of the present invention two；
The circuit diagram of the female interface unit being connected with MVB unit that Fig. 7 provides for the embodiment of the present invention two；
The circuit diagram of the male interface unit being connected with MVB unit that Fig. 8 provides for the embodiment of the present invention two；
The circuit diagram of the interface unit being connected with RS232 bus unit that Fig. 9 provides for the embodiment of the present invention two；
The circuit diagram of the RS232 bus unit that Figure 10 provides for the embodiment of the present invention two；
The circuit diagram of the RS485 bus unit that Figure 11 provides for the embodiment of the present invention two；
The circuit diagram of the MVB subelement that Figure 12 provides for the embodiment of the present invention two；
The circuit diagram of the power conversion unit that Figure 13 provides for the embodiment of the present invention two；
The circuit diagram of the CAN unit that Figure 14 provides for the embodiment of the present invention two；
The structural representation of a kind of bus analysis system in rail vehicle that Figure 15 provides for the embodiment of the present invention three；
The circuit diagram of a kind of bus analysis system in rail vehicle that Figure 16 provides for the embodiment of the present invention three.
Detailed description of the invention
The structural representation of the bus analysis equipment for rail vehicle that Fig. 1 provides for the embodiment of the present invention one, as shown in Figure 1, the bus analysis equipment for rail vehicle that the present embodiment provides, this bus analysis equipment includes: multiple interface units 11, each bus unit 12, control unit 13 and the transmission unit 14 that are connected with each interface unit 11 respectively.
Wherein, the type of each bus unit 12 is different, bus unit 12 for receiving, by interface unit 11, the bus message that bus apparatus sends, bus message is converted to can the data message that identifies of controlled unit 13, and send data message to control unit 13；Control unit 13 is connected with each bus unit 12, and data message, for receiving the data message that bus unit 12 sends, is analyzed by control unit 13, generates and analyzes result, and analysis result is back to transmission unit 14；Transmission unit 14 is connected with interface unit 11 and control unit 13 respectively, the analysis result that this transmission unit 14 returns for reception control unit 13, and the transmission of analysiss result is displayed to assisting in identifying unit.
In the present embodiment, concrete, it is provided that multiple interface units 11, and each bus unit 12 being connected with each interface unit 11 respectively, i.e. a corresponding interface unit 11 of bus unit 12.Wherein, the type of each bus unit 12 differs.
More specifically, each bus apparatus passes through connected interface unit 11, send bus message to each bus unit 12, each bus unit 12 bus message being respectively received is converted to can the data message that identifies of controlled unit 13, then data message is sent to control unit 13；The data message received is analyzed by control unit 13, generates and analyzes result, then analysis result is sent to transmission unit 14；After transmission unit 14 receives analysis result, convert, by analyzing result, the data meeting the host-host protocol that transmission unit 14 adopts to, be then transferred to assist in identifying unit and display.Operator can read and assist in identifying the content of display on unit, such that it is able to know that whether the network of each bus apparatus is stable, when the unstable networks of certain bus apparatus, this bus apparatus is overhauled by operator.
For example, the circuit diagram of the control unit that Fig. 2 provides for the embodiment of the present invention one, as shown in Figure 2, it is possible to adopt STMicw Electronics's (STMicroelectronics is called for short STM) 32 as control unit 13.Pin units 112, pin units 115 are connected with each interface unit 11 respectively, and pin units 114 and pin units 116 are connected with an interface unit 11；Pin units 113 is connected with transmission unit 14；The data message of each bus apparatus received by each pin units is analyzed by chip 111, judge that whether the network of each bus apparatus is stable, predetermined threshold value is exceeded as obtained load after the data message from certain bus apparatus is analyzed, the analysis result that then network transmission safety of this bus apparatus is low, if obtaining the bit error rate to exceed predetermined threshold value, then these are analyzed result and are sent to transmission unit 14 by pin units 113 by the analysis result that then network transmission safety of this bus apparatus is low；Electricity is provided to control unit 13 by pin units 118；Each pin units 117 is for by control unit 13 ground connection.
The present embodiment by provide same for the bus analysis equipment of rail vehicle in multiple different types of bus unit 12 is set, and the transmission of data is carried out by the plurality of bus unit 12, so that polytype bus apparatus can be detected by the bus analysis equipment for rail vehicle, reduce the volume of existing multiple Bus analyzer, it is simple to staff carries.
The structural representation of the bus analysis equipment for rail vehicle that Fig. 3 provides for the embodiment of the present invention two, as it is shown on figure 3, the bus analysis equipment for rail vehicle that the present embodiment provides, also includes: assist in identifying unit 21.This assists in identifying unit 21 and is connected with transmission unit 14, for receiving the analysis result that transmission unit 14 sends, and is shown in analyzing result on the display screen assisting in identifying unit 21.
Alternatively, the unit 21 that assists in identifying of the present embodiment is additionally operable to receive the control command that user sends, and control command includes bus apparatus mark, and control command is sent to the bus apparatus corresponding with bus apparatus mark.
In the present embodiment, give assist in identifying unit 21 owing to the analysis result received is sent by transmission unit 14, assist in identifying unit 21 and can be shown to above the display screen assisting in identifying unit 21 by analyzing result so that operator can check the analysis result about bus apparatus.Further, operator to assisting in identifying input control command in unit 21, can assist in identifying unit 21 and by transmission unit 14, control command be sent to control unit 13；Control command can include bus apparatus mark, thus control unit 13 can identify according to bus apparatus, and control command is sent to the bus unit 12 corresponding with bus apparatus mark, then control command is converted to the control command of the procotol meeting the bus apparatus corresponding with bus apparatus mark by bus unit 12, and the control command after conversion is sent to relevant bus apparatus by bus unit 12；Control command is for indicating the equipment such as the traction convertor of rail vehicle, AuCT to run according to control command so that operator can check whether the equipment such as traction convertor, AuCT can be properly functioning.
Alternatively, the bus analysis equipment for rail vehicle of the present embodiment also includes power conversion unit 22.This power conversion unit 22 is connected with control unit 13, for the voltage that external power supply inputs is converted to the input voltage needed for control unit 13.
In the present embodiment, voltage is input in power conversion unit 22 by external power supply, and power conversion unit 22 converts voltage to the input voltage required for control unit 13, and power conversion unit 22 provides input voltage for control unit 13.Concrete example, the voltage of 5V is input in power conversion unit 22 by external power supply, and 5V voltage is converted to the voltage of 3.3V and is supplied to control unit 13 by power conversion unit 22.
The present embodiment assists in identifying unit 21 by offer, such that it is able to the analysis result sent by transmission unit 14 displays, and accept the control command that user sends, control command is sent to and identifies corresponding bus apparatus with the bus apparatus in control command so that bus apparatus goes to control the operation of track train according to control command.Provide the power conversion unit 22 being connected with control unit 13, thus providing required input voltage for control unit 13 so that control unit 13 runs well simultaneously.
Further, on the basis of above-described embodiment, bus unit 12 includes following at least two: proposed standard RS485 bus unit, controller local area network's (ControllerAreaNetwork is called for short CAN) bus unit, multifunctional vehicle MVB unit.For example, transmission unit 14 is RS232 bus unit.
In the present embodiment mode, bus unit 12 includes at least two bus unit in RS485 bus unit, CAN unit and MVB unit, certainly can also include other kinds of bus unit, specifically can be set according to actual needs.
Concrete, each interface unit 11 is connected with RS485 bus unit, CAN unit and MVB unit respectively, each interface unit 11 bus unit 12 by each connecting, it is possible to simultaneously receive corresponding bus data；And provide an interface unit 11 and be connected with RS232 bus unit.The circuit diagram of the interface unit being connected with RS485 bus unit that Fig. 4 provides for the embodiment of the present invention two, as shown in Figure 4, the interface unit being connected with RS485 bus unit, it is connected with RS485 bus unit by pin units 211, being connected with RS485 bus apparatus by adapter 212, pin units 213 is by this interface unit ground connection.The circuit diagram of the female interface unit being connected with CAN unit that Fig. 5 provides for the embodiment of the present invention two, as shown in Figure 5, the female interface unit being connected with CAN unit, it is connected with CAN unit by pin units 312, being connected with CAN equipment by adapter 311, pin 313 is by this female interface unit ground connection；The circuit diagram of the male interface unit being connected with CAN unit that Fig. 6 provides for the embodiment of the present invention two, as shown in Figure 6, the male interface unit being connected with CAN unit, it is connected with CAN unit by pin units 412, being connected with CAN equipment by adapter 411, pin 413 is by this male interface unit ground connection；This female interface unit and this male interface unit together form the interface unit being connected with CAN unit.
The circuit diagram of the female interface unit being connected with MVB unit that Fig. 7 provides for the embodiment of the present invention two, as shown in Figure 7, the female interface unit being connected with MVB unit, is connected with MVB unit by pin units 511, is connected with MVB equipment by adapter 512.
The circuit diagram of the male interface unit being connected with MVB unit that Fig. 8 provides for the embodiment of the present invention two, as shown in Figure 8, the male interface unit being connected with MVB unit, is connected with MVB unit by pin units 611, is connected with MVB equipment by adapter 612；This female interface unit and this male interface unit together form the interface unit being connected with MVB unit.The circuit diagram of the interface unit being connected with RS232 bus unit that Fig. 9 provides for the embodiment of the present invention two, as it is shown in figure 9, pin 712 is connected with RS232 bus unit, adapter 711 is connected with assisting in identifying unit 21, and pin 713 is by this interface unit ground connection.
Simultaneously, the circuit diagram of the RS232 bus unit that Figure 10 provides for the embodiment of the present invention two, as shown in Figure 10, RS232 bus unit is connected with Fig. 9 interface unit provided by pin units 812, it is connected with control unit 13 by pin units 811, by the analysis result that pin units 811 reception control unit 13 sends, chip 815 converts, by analyzing result, the analysis result meeting RS232 host-host protocol to, and the analysis result meeting RS232 host-host protocol is sent to and assists in identifying unit 21 and carry out visualization display by the interface unit provided by pin units 812 and Fig. 9；The electric current of power supply is received by pin 814；Module 813 is the electric capacity of RS232 bus unit, for stablizing the voltage of RS232 bus unit；Pin 816 is for the pin by RS232 bus unit ground connection.
The circuit diagram of the RS485 bus unit that Figure 11 provides for the embodiment of the present invention two, as shown in figure 11, RS485 bus unit is connected with control unit 13 by pin units 911, connected with the interface unit being used for being connected RS485 bus apparatus by pin 917 and pin 918, the RS485 bus message that bus apparatus sends is received by pin 917 and pin 918, RS485 bus message is converted to by chip 913 can the RS485 data message that identifies of controlled unit 13, by pin units 911, RS485 data message is sent to control unit 13, so that after RS485 data message can be analyzed by control unit 13, generate the analysis of network result of RS485 bus apparatus；Module 912 is amplifier；Pin 914 connects power supply；Module 919 is bus protection parts, for when detecting that the voltage of RS485 bus subelement is more than predetermined threshold value, by the short circuit of the current circuit of RS485 bus subelement；Resistance 916 is the protective resistance in circuit；Pin 915 is for by RS485 bus unit ground connection.
Equally, the CAN information meeting CAN network agreement that CAN equipment is sent by CAN unit, be converted to and can be sent to control unit 13 after the CAN data message of controlled unit 13 identification, operator the analysis of network result that CAN data message is generated CAN equipment by control unit 13 are sent to assist in identifying unit 21 and display, thus can pass through to assist in identifying unit 21 know that whether the network state of CAN equipment is stable；The MVB information meeting MVB procotol that MVB equipment is sent by MVB unit, be converted to and can be sent to control unit 13 after the MVB data message of controlled unit 13 identification, operator the analysis of network result that MVB data message is generated MVB equipment by control unit 13 are sent to assist in identifying unit 21 and display, thus can pass through to assist in identifying unit 21 know that whether the network state of MVB equipment is stable.
Total in present embodiment, each interface unit 11 bus unit 12 by each connecting, corresponding bus data can be received simultaneously so that assist in identifying unit 21 obtain simultaneously the analysis of network result of multiple bus apparatus, improve the analysis of network efficiency of bus apparatus.
Further, on the basis of above-described embodiment, if bus unit includes MVB unit, MVB unit includes: MVB subelement and assist control subelement；MVB subelement is connected with assist control subelement；
MVB subelement for receiving MVB data by the interface unit 11 being connected with MVB subelement, MVB data are converted to can the MVB data message that identifies of controlled unit 13, and to assist control subelement transmission MVB data message.
Correspondingly, assist control subelement is connected with power conversion unit 22 and control unit 13 respectively, for the MVB received data message being sent to control unit 13, and receive and meet the input voltage needed for assist control subelement after the voltage conversion that external power supply inputs by power conversion unit 22.
MVB subelement includes: MVB protocol converter, MVB protector, transformator；Wherein, MVB protector is connected between MVB protocol converter and transformator；
Transformator, is connected with interface unit 11；
MVB protocol converter, is connected with assist control subelement, for MVB data are converted to can the MVB data message that identifies of controlled unit 13, and send MVB data message to assist control subelement；
MVB protector, when being used for voltage MVB subelement being detected more than predetermined threshold value, by the short circuit of the current circuit of MVB subelement.
In the present embodiment mode, when bus unit 12 includes MVB unit time, MVB unit includes interconnective MVB subelement and assist control subelement；MVB subelement and assist control subelement cooperate and MVB data message are sent to control unit 13, after MVB data message is analyzed by control unit 13, generate the analysis of network result of MVB equipment, the analysis of network result of MVB equipment is sent to transmission unit 14；If transmission unit 14 is RS232 bus unit, then the analysis of network result of MVB equipment is converted to the analysis of network result meeting RS232 communication protocol by RS232 bus unit, the analysis of network result meeting RS232 communication protocol is sent to assist in identifying unit 21 carry out visualization display.
The circuit diagram of the MVB subelement that Figure 12 provides for the embodiment of the present invention two, as shown in figure 12, pin units 1011 is connected with assist control subelement, and pin units 1017 connects the interface unit being connected with MVB equipment；The MVB information that MVB equipment sends is received by pin units 1017, MVB information is converted to by MVB protocol converter 1012 can the MVB data message that identifies of controlled unit 13, by pin units 1011, MVB data message is sent to assist control subelement, so that control unit 13 can obtain MVB data message in assist control subelement, after MVB data message is analyzed by control unit 13, generate the analysis of network result of MVB equipment.MVB protector 1015 is made up of multiple amplifiers; MVB protector 1015 can detect the voltage on MVB subelement; in voltage on MVB subelement exceedes predetermined threshold value; MVB protector 1015 can be short-circuit by the current circuit of MVB subelement, thus protecting the circuit of MVB subelement.Transformator 1016 connects the interface unit being connected with MVB subelement.Pin 1013 is connected with power supply, and each pin 1014 is by MVB subelement ground connection.
Further, power conversion unit 22 provides voltage to assist control subelement；Concrete, the circuit diagram of the power conversion unit that Figure 13 provides for the embodiment of the present invention two, as shown in figure 13, the voltage of 5V is input in power conversion unit 22 by pin 1011 by external power supply, 5V voltage is converted to the voltage of 3.3V and is supplied to control unit 13 by pin 1112 by the first voltage transformation module 1115, is supplied to assist control subelement by the voltage of pin 11123.3V simultaneously；Pin 1112 and pin 1113 connect, by pin 1112, the voltage of 3.3V is supplied to the second voltage transformation module 1116, the voltage of 3.3V is converted to the voltage of 1.2V and is supplied to assist control subelement by pin 1114 by the second voltage transformation module 1116, so, the 5V photovoltaic conversion of external power supply is become the voltage of 3.3V and 1.2V to be supplied to assist control subelement by power conversion unit 22.Thus providing corresponding voltage for assist control subelement.Power conversion unit 22 is provided with pin 1117, by power conversion unit 22 ground connection.
In the present embodiment, it is connected with interface unit 11 and control unit 13 by MVB unit, so that operator can obtain the network state of the MVB equipment after control unit 13 is analyzed, provide power conversion unit 22 simultaneously and provide suitable voltage for the assist control subelement in MVB unit, it is ensured that MVB unit properly functioning.
Further, on the basis of above-described embodiment, if bus unit includes CAN unit, CAN unit includes: CAN protocol transducer, common mode electricity load and CAN protector；
Common mode electricity load is connected between CAN protocol transducer and CAN protector；
Common mode electricity load is connected with interface unit 11；
CAN protocol transducer, is connected with control unit 13, for the CAN data that the interface unit by being connected with CAN unit receives are converted to can the CAN data message that identifies of controlled unit 13, and CAN data are sent to control unit 13.
In the present embodiment mode, the circuit diagram of the CAN unit that Figure 14 provides for the embodiment of the present invention two, as shown in figure 14, when bus unit includes CAN unit, pin units 1211 is connected with control unit 13, and pin 1217 and pin 1218 connect and the interface unit being connected CAN equipment；The CAN information meeting CAN network agreement that CAN equipment sends is received by pin 1217 and pin 1218, CAN data are converted to by CAN protocol transducer 1214 can the CAN data message that identifies of controlled unit 13, by pin units 1211, CAN data message is sent to control unit 13, so that control unit 13 can obtain CAN data message in assist control subelement, after CAN data message is analyzed by control unit 13, generate the analysis of network result of CAN equipment.The common mode electricity load 1215 being connected with CAN protocol transducer 1214 plays metering function, and the electric current on CAN unit is restricted in preset range by common mode electricity load 1215, it is prevented that excessive circuit damage CAN unit.CAN protector 1216 carries 1215 with common mode electricity and is connected; CAN protector 1216 can detect the voltage on CAN unit; in voltage on CAN unit exceedes predetermined threshold value; CAN protector 1216 can be short-circuit by the current circuit of CAN unit, thus protecting the circuit of CAN unit.Each pin 1213 connects power supply；Each pin 1212 is by CAN unit ground connection.
The structural representation of a kind of bus analysis system in rail vehicle that Figure 15 provides for the embodiment of the present invention three, as shown in figure 15, the bus analysis equipment for rail vehicle including in as above any embodiment for the bus analysis system of rail vehicle that the present embodiment provides, and bus apparatus 31.
In the present embodiment, concrete, the circuit diagram of a kind of bus analysis system in rail vehicle that Figure 16 provides for the embodiment of the present invention three, as shown in figure 16, connecting with corresponding bus apparatus 31 respectively for each interface unit 11 in the bus analysis equipment of rail vehicle, each interface unit 11 connects with corresponding bus unit 12 respectively simultaneously；Control unit 13 is connected with each bus unit 12, is connected with assisting in identifying unit 21 by transmission unit 14 simultaneously；Power conversion unit 22 is connected with control unit 13.For example, if bus unit 12 adopts RS485 bus unit, CAN unit, MVB unit, then RS485 bus unit, CAN unit, MVB unit are connected with RS485 bus apparatus, CAN equipment, MVB equipment respectively through respective interface unit 11；Then these bus units receive RS485 bus message, CAN information, MVB information respectively through the interface unit 11 each connected；RS485 bus message is converted to by RS485 bus unit can the RS485 data message that identifies of controlled unit 13, CAN unit CAN information is converted to can the CAN data message that identifies of controlled unit 13, MVB information is converted to by MVB unit can the MVB data message that identifies of controlled unit 13；Control unit 13 obtains these data messages, the network state obtaining S485 bus apparatus after being analyzed analyzes result, the network state of CAN equipment analyzes result, the network state of MVB equipment analyzes result, then these is analyzed result and is sent to the transmission unit 14 in bus analysis equipment；Preferably, transmission unit 14 is RS232 bus unit, these analysis results of RS232 bus unit are converted to the analysis result meeting RS232 host-host protocol, it is sent to and assists in identifying unit 15 and carry out visual display, thus whether the network state that operator can know each bus apparatus 31 is stable.
And, control unit 13 can connect an interface unit 11, before running the bus analysis system for rail vehicle, control unit 13 is connected with external equipment by an interface unit 11, and the relative program running bus analysis system is downloaded in control unit 13 by outward appearance equipment by interface unit 11.
The present embodiment by provide same for the bus analysis system of rail vehicle in multiple different types of bus unit 12 is set, and the transmission of data is carried out by the plurality of bus unit 12, so that polytype bus apparatus can be detected by a bus analysis system for rail vehicle, reduce the volume of existing multiple Bus analyzer, it is simple to staff carries.Meanwhile, multiple bus apparatus can be detected by the bus analysis system for rail vehicle that the present embodiment provides simultaneously, thus improve detection efficiency.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program upon execution, performs to include the step of above-mentioned each embodiment of the method；And aforesaid storage medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CDs.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the bus analysis equipment for rail vehicle, it is characterised in that including:
Multiple interface units；
The each bus unit being connected with each interface unit respectively, the type of each bus unit is different, described bus unit is for receiving, by described interface unit, the bus message that bus apparatus sends, described bus message is converted to can the data message of controlled unit identification, and send described data message to described control unit；
Described control unit, is connected with each described bus unit, and described data message, for receiving the described data message that described bus unit sends, is analyzed, generates described analysis result, and described analysis result is back to transmission unit by described control unit；
Described transmission unit, is connected with described interface unit and described control unit respectively, for receiving the described analysis result that described control unit returns, and sends described analysis result to assisting in identifying unit and displays.
2. the bus analysis equipment for rail vehicle according to claim 1, it is characterised in that also include:
Described assist in identifying unit, be connected with described transmission unit, for receiving the described analysis result that described transmission unit sends, and assist in identifying described in described analysis result is shown on the display screen of unit.
3. the bus analysis equipment for rail vehicle according to claim 2, it is characterised in that described in assist in identifying unit, be additionally operable to:
Receiving the control command that user sends, described control command includes bus apparatus mark, and described control command is sent to the bus apparatus corresponding with described bus apparatus mark.
4. the bus analysis equipment for rail vehicle according to claim 1, it is characterised in that also include:
Power conversion unit, is connected with described control unit, for the voltage that external power supply inputs is converted to the input voltage needed for described control unit.
5. the bus analysis equipment for rail vehicle according to any one of claim 1-4, it is characterized in that, described bus unit includes following at least two: proposed standard RS485 bus unit, controller local area network's CAN unit, multifunctional vehicle MVB unit.
6. the bus analysis equipment for rail vehicle according to claim 5, it is characterised in that if described bus unit includes described MVB unit, described MVB unit includes:
MVB subelement and assist control subelement；
Described MVB subelement is connected with described assist control subelement；
Described MVB subelement, MVB data are received for the interface unit by being connected with described MVB subelement, described MVB data are converted to and by the MVB data message of described control unit identification, and described MVB data message can be sent to described assist control subelement；
Described assist control subelement, it is connected with described power conversion unit and described control unit respectively, for the described MVB data message received being sent to described control unit, and receive and meet the input voltage needed for described assist control subelement after the voltage conversion that external power supply inputs by described power conversion unit.
7. the bus analysis equipment for rail vehicle according to claim 6, it is characterised in that described MVB subelement includes: MVB protocol converter, MVB protector, transformator；
Wherein, described MVB protector is connected between described MVB protocol converter and described transformator；
Described transformator, is connected with described interface unit；
Described MVB protocol converter, is connected with described assist control subelement, by the MVB data message of described control unit identification, and can send described MVB data message to described assist control subelement for described MVB data being converted to；
Described MVB protector, when being used for the voltage described MVB subelement being detected more than predetermined threshold value, by the short circuit of the current circuit of described MVB subelement.
8. the bus analysis equipment for rail vehicle according to claim 5, it is characterised in that if described bus unit includes described CAN unit, described CAN unit includes: CAN protocol transducer, common mode electricity load and CAN protector；
Described common mode electricity load is connected between described CAN protocol transducer and described CAN protector；
Described common mode electricity load is connected with described interface unit；
Described CAN protocol transducer, it is connected with described control unit, by the CAN data message of described control unit identification, and described CAN data can be sent to described control unit for the CAN data that the interface unit by being connected with described CAN unit receives being converted to.
9. the bus analysis equipment for rail vehicle according to claim 1, it is characterised in that described transmission unit is RS232 bus unit.
10. the bus analysis system for rail vehicle, it is characterised in that include the bus analysis equipment for rail vehicle according to any one of claim 1-9 and described bus apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410789149.2A CN105785833A (en) | 2014-12-17 | 2014-12-17 | Bus analysis apparatus and system for railway vehicles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410789149.2A CN105785833A (en) | 2014-12-17 | 2014-12-17 | Bus analysis apparatus and system for railway vehicles |
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| CN105785833A true CN105785833A (en) | 2016-07-20 |
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| CN201410789149.2A Pending CN105785833A (en) | 2014-12-17 | 2014-12-17 | Bus analysis apparatus and system for railway vehicles |
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